Danfoss ECL Comfort 300, User Manual, Page: 51 / 75

The grey
side of the
ECL Card
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Service parameter(s) 37-40
37 Time constant for return temperature limitation
Circuit Setting range Factory setting
I / II OFF / 1 ... 50 25 / 25
Controls how fast the actual return temperature adapts to the
desired return temperature limitation.
Adjust the time constant for the return limitation.
The setting will eliminate the difference
between the acceptable and the actual return
temperature.
The difference is integrated to adjust the desired
flow temperature.
OFF:
The desired flow temperature will not be
adjusted any further.
1:
The desired flow temperature will be
adjusted quickly.
50: The desired flow temperature will be
adjusted slowly.
40 Circulation pump P1, post-run
Circuit Setting range Factory setting
I 1 ... 30 min. 3 min.
The circulation pump will be activated for the chosen number of
minutes after the heat demand has stopped.
Set the number of minutes of the post-run.
ON
OFF
20
oC
10
Outdoor temp.
Line 40
Time